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Topaz With Lepidolite Tourmaline & Quartz

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KRM115859

Topaz With Lepidolite Tourmaline & Quartz

Description Tabs

Description
Locality: 
Doko, Basha Valley, Skardu, Gilgit-Baltistan, Pakistan
Size Range: 
Cabinet (10-18 cm)
Size: 
3.5 × 11 × 7.9 cm
Description

A beautiful nice combination specimen of well terminated topaz  , green tourmaline , quartz  oner lepidolite matrix.

Undamaged.

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
Streak: 
White

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White